Tungsten Alloy for Welding Rod

Tungsten Alloy Welding Rod Introduction

Tungsten alloy welding rod used in Gas Tungsten Arc Welding (GTAW) is made of tungsten alloy, because it has the highest melting temperature among metals, at 3,422 °C (6,192 °F). As a result, tungsten alloy welding rod is not consumed during welding, though some erosion (called burn-off) can occur. They can have either a clean finish or a ground finish—clean finish, which have been chemically cleaned, while ground tungsten alloy welding rods have been ground to a uniform size and have a polished surface, making them optimal for heat conduction. The diameter of the welding rod can vary between 0.5 and 6.4 millimeters (0.02 and 0.25 in), and their length can range from 75 to 610 millimeters (3.0 to 24 in).

Some Pictures about the Tungsten Alloy for Welding Rod

Gas Tungsten Arc Welding Introduction

Gas tungsten arc welding (GTAW), also known as tungsten inert gas welding, is an arc welding process that uses a non-consumable tungsten alloy welding rod to produce the weld. The weld area is protected from atmospheric contamination by a shielding gas (usually an inert gas such as argon), and a filler metal is normally used, though some welds, known as autogenously welds, do not require it. A constant-current welding power supply produces energy that is conducted across the arc through a column of highly ionized gas and metal vapors known as plasma.

Operation for Gas Tungsten Arc Welding

Gas tungsten arc welding for weld area

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